FACTOR B

FACTOR IX INHIBITOR, QUANTITATIVE, BLOOD

FACTOR V LEIDEN MUTATION DETECTION

FACTOR VIII INHIBITOR, QUANTITATIVE, BLOOD

FACTOR XIII, QUALITATIVE, BLOOD

FACTORS II, V, VII, VIII, IX, X, XI, AND XII, BLOOD

FAMILIAL ADENOMATOUS POLYPOSIS FOLLOW-UP

FAMILIAL HIBERNIAN FEVER (TNFRSF1A)

FAMILIAL MEDITERRANEAN FEVER (MEFV)

FANCONI ANEMIA, MUTATION ANALYSIS

FAT, FECES, RANDOM

FAT, FECES, TIMED

FATTY ACID PROFILE, PEROXISOMAL (C22-C26), SERUM

FATTY ACIDS FREE, TOTAL, SERUM

FATTY ACIDS, VERY LONG-CHAIN, PLASMA

FECAL WBC

FELBAMATE (FELBATOL®), SERUM

FELBATOL

FERRITIN, BLOOD

FETAL HEMOGLOBIN, EMESIS OR FECES

FETAL RED CELL PERCENTAGE BY FLOW CYTOMETRY

FIBRIN DEGRADATION PRODUCTS (FDP)

FIBRINOGEN/CLAUSS, BLOOD

FILARIA IGG

FILARIAL ANTIGENS, SERUM

FK506

FLECAINIDE, PLASMA OR SERUM

FLT3-INTERNAL TANDEM DUPLICATION GENE MUTATION

FLUCONAZOLE

FLUORESCENCE IN SITU HYBRIDIZATION (FISH):  ANEUSCREEN

FLUORESCENCE IN SITU HYBRIDIZATION (FISH):  HEMATOLOGIC CANCER

FLUORESCENCE IN SITU HYBRIDIZATION DNA PROBES (DFISH) WITH BCR/ABL

FLUORIDE, PLASMA

FLUORIDE, URINE

FLUOXETINE, SERUM

FOLATE, ERYTHROCYTES

FOLATE, SERUM

FOOD SCREEN ALLERGEN PANEL, BLOOD

FRAGILE X

FRANCISELLA TULARENSIS

FRUCTOSAMINE, SERUM

FSH (FOLLICLE-STIMULATING HORMONE), BLOOD

FSH (FOLLICLE-STIMULATING HORMONE), URINE

FTA-ABS (FLUORESCENT TREPONEMAL ANTIBODY, ABSORBED), BLOOD

FTA-ABS (FLUORESCENT TREPONEMAL ANTIBODY, ABSORBED), CSF

FUNGAL STAIN

FUROSEMIDE, LASIX